86 lines
2.4 KiB
Nix
86 lines
2.4 KiB
Nix
{ version }:
|
||
|
||
{ pkgs, ... }:
|
||
|
||
let
|
||
|
||
client =
|
||
{ config, pkgs, ... }:
|
||
{ fileSystems = pkgs.lib.mkOverride 50
|
||
[ { mountPoint = "/data";
|
||
device = "server:${if version == 4 then "/" else "/data"}";
|
||
fsType = "nfs";
|
||
options = "vers=${toString version}";
|
||
}
|
||
];
|
||
};
|
||
|
||
in
|
||
|
||
{
|
||
|
||
nodes =
|
||
{ client1 = client;
|
||
client2 = client;
|
||
|
||
server =
|
||
{ config, pkgs, ... }:
|
||
{ services.nfs.server.enable = true;
|
||
services.nfs.server.exports =
|
||
''
|
||
/data 192.168.1.0/255.255.255.0(rw,no_root_squash,no_subtree_check,fsid=0)
|
||
'';
|
||
services.nfs.server.createMountPoints = true;
|
||
};
|
||
};
|
||
|
||
testScript =
|
||
''
|
||
$server->waitForUnit("nfsd");
|
||
$server->waitForUnit("network.target");
|
||
|
||
startAll;
|
||
|
||
$client1->waitForUnit("data.mount");
|
||
$client1->succeed("echo bla > /data/foo");
|
||
$server->succeed("test -e /data/foo");
|
||
|
||
$client2->waitForUnit("data.mount");
|
||
$client2->succeed("echo bla > /data/bar");
|
||
$server->succeed("test -e /data/bar");
|
||
|
||
# Test whether restarting ‘nfsd’ works correctly.
|
||
$server->succeed("systemctl restart nfsd");
|
||
$client2->succeed("echo bla >> /data/bar"); # will take 90 seconds due to the NFS grace period
|
||
|
||
# Test whether we can get a lock.
|
||
$client2->succeed("time flock -n -s /data/lock true");
|
||
|
||
# Test locking: client 1 acquires an exclusive lock, so client 2
|
||
# should then fail to acquire a shared lock.
|
||
$client1->succeed("flock -x /data/lock -c 'touch locked; sleep 100000' &");
|
||
$client1->waitForFile("locked");
|
||
$client2->fail("flock -n -s /data/lock true");
|
||
|
||
# Test whether client 2 obtains the lock if we reset client 1.
|
||
$client2->succeed("flock -x /data/lock -c 'echo acquired; touch locked; sleep 100000' >&2 &");
|
||
$client1->crash;
|
||
$client1->start;
|
||
$client2->waitForFile("locked");
|
||
|
||
# Test whether locks survive a reboot of the server.
|
||
$client1->waitForUnit("data.mount");
|
||
$server->shutdown;
|
||
$server->start;
|
||
$client1->succeed("touch /data/xyzzy");
|
||
$client1->fail("time flock -n -s /data/lock true");
|
||
|
||
# Test whether unmounting during shutdown happens quickly.
|
||
my $t1 = time;
|
||
$client1->shutdown;
|
||
my $duration = time - $t1;
|
||
die "shutdown took too long ($duration seconds)" if $duration > 30;
|
||
'';
|
||
|
||
}
|